This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A329513 #14 Aug 11 2024 10:40:16 %S A329513 1,3,6,9,9,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, %T A329513 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, %U A329513 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 %N A329513 G.f. = (1+x)^2*(1+2*x^2-x^3)/(1-x). %C A329513 Decimal expansion of 123299/900000. - _Elmo R. Oliveira_, May 06 2024 %H A329513 <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1). %F A329513 a(n) = 8 for n >= 5. %Y A329513 Row 2 of array in A329512. %K A329513 nonn %O A329513 0,2 %A A329513 _N. J. A. Sloane_, Nov 24 2019